<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise.reject</title>
</head>
<body>
    <script>
        //Promise.reject 是 Promise 函数对象的方法
        // 始终返回的是『失败』状态的 promise 对象
        // let p = Promise.reject('ok');
        let p = Promise.reject(Promise.resolve('YES'));

        console.log(p);
    </script>
</body>
</html>